Table 1.
Ba | Be | Cd | Co | Cs | Mo | Pb | Pt | Sb | Tl | U | W | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sample size | 1557 | 1615 | 593 | 1615 | 1615 | 1563 | 1615 | 1615 | 1574 | 1596 | 1105 | 1587 |
Geometric mean | 1.11 | 0.09 | 0.39 | 0.31 | 4.21 | 38.87 | 0.84 | 0.04 | 0.10 | 0.13 | 0.009 | 0.06 |
Percentiles | ||||||||||||
5 | 0.21 | 0.08 | 0.08 | 0.08 | 1.2 | 9.0 | 0.20 | 0.03 | 0.05 | 0.04 | 0.003 | 0.02 |
25 | 0.59 | 0.08 | 0.21 | 0.19 | 2.8 | 22.7 | 0.50 | 0.03 | 0.05 | 0.08 | 0.004 | 0.03 |
50 | 1.10 | 0.09 | 0.41 | 0.31 | 4.5 | 40.4 | 0.86 | 0.03 | 0.10 | 0.14 | 0.007 | 0.06 |
75 | 2.20 | 0.09 | 0.70 | 0.49 | 6.7 | 70.7 | 1.50 | 0.05 | 0.14 | 0.22 | 0.014 | 0.10 |
95 | 5.90 | 0.09 | 1.61 | 1.07 | 11.1 | 151.5 | 3.30 | 0.05 | 0.29 | 0.38 | 0.051 | 0.28 |
Maximum | 81.8 | 0.2 | 4.84 | 556.6 | 552.1 | 592.0 | 31.5 | 1177.5 | 5.7 | 2.8 | 0.6 | 4.6 |
LOD | 0.12 | 0.13 | 0.06 | 0.07 | 0.14 | 0.80 | 0.10 | 0.04 | 0.04 | 0.02 | 0.004 | 0.04 |
% < LOD | 1.6 | 64.4 | 2.4 | 4.0 | 4.3 | 0.1 | 0.8 | 62.0 | 1.5 | 3.9 | 12.4 | 35.5 |
Abbreviations: LOD = Limit of Detection